Malicious PDF — malware analysis report

Static analysis result for SHA-256 e07f1dec311d7e4e…

MALICIOUS

PDF

90.8 KB Created: 2020-08-03 14:05:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63d9bbb75f4328b64712522cdec82d86 SHA-1: 11a7202ed2fba0c004f47490eac7c9afe54bce3c SHA-256: e07f1dec311d7e4e8591cb34059150b3b9958b3d130cd5e43b975d4a7d39f5f1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.cc, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains the URL and keywords suggesting a lure. The presence of numerous external PDF links further indicates a link farm or redirection strategy.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=polynuclear+aromatic+hydrocarbons+pdf
    • http://files.awakenthesenses.co.uk/uploads/1/3/0/7/130776164/d399d38.pdf
    • http://files.technocademy.org/uploads/1/3/0/7/130776591/vararesobon.pdf
    • http://files.coratoloassociatesllc.com/uploads/1/3/2/6/132696580/d5f45e5.pdf
    • https://cdn.shopify.com/s/files/1/0436/4691/0617/files/55826573790.pdf
    • https://cdn.shopify.com/s/files/1/0431/6109/2250/files/zinitotuxopononidekobet.pdf
    • https://cdn.shopify.com/s/files/1/0435/3166/5562/files/mifipiverud.pdf
    • https://cdn.shopify.com/s/files/1/0439/8376/5662/files/ladotigurodom.pdf
    • https://cdn.shopify.com/s/files/1/0438/9991/2344/files/98042665951.pdf
    • https://cdn.shopify.com/s/files/1/0432/7279/8373/files/29043771631.pdf
    • https://cdn.shopify.com/s/files/1/0428/2118/9788/files/42940586576.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/47332325733.pdf
    • https://cdn.shopify.com/s/files/1/0434/3801/4616/files/91331779837.pdf
    • https://cdn.shopify.com/s/files/1/0431/9592/4637/files/lazofojakabefimuw.pdf
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/75798514696.pdf
    • https://cdn.shopify.com/s/files/1/0432/3485/3021/files/77561064365.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000126c9.bin
ad8fa7618d6bd63f7f0d575ca1c6e2da276454d755f6c0b4e6559cd64d2cb388		 pdf-font-stream PDF embedded font (sfnt) at offset 0x126C9 5640 bytes
font_01_sfnt_off000139cf.bin
3717a0aec7dde9578c69c33b3a3f3fc90e4ec9be2b239b0754a7cf799af58968		 pdf-font-stream PDF embedded font (sfnt) at offset 0x139CF 10640 bytes

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